US Patent Issued to CARRIER JAPAN on Nov. 18 for "Shut-off valve control device for refrigeration cycle, and air conditioner" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,077, issued on Nov. 18, was assigned to CARRIER JAPAN Corp. (Tokyo).

"Shut-off valve control device for refrigeration cycle, and air conditioner" was invented by Mitsuru Sawamura (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shut-off valve control device for a refrigeration cycle includes: a leakage detection unit configured to detect leakage of a refrigerant in a refrigeration cycle including an indoor unit and an outdoor unit; a shut-off valve which is disposed in a pipe that connects the indoor unit with the outdoor unit and which can be opened and closed by supplying electric power; a power failure detection unit configured t...